i'm trying to use linq in c#2.0(linqbridge) to search for a patient name in my database,
but i'm getting the following errors:
System.Data.Datatable does not contain a definition for AsEnumerable()
System.Data.Datatable does not contain a definition for CopyToDataTable()

To complete the previous answer, in case you can not add the reference to System.Data.DataSetExtensions using Visual Studio, I managed to do it by manually editing the library project file directly. Just insert the proper line among the existing references: